hudson and brad paisley among them. but one of the most highly-anticipated moments might not be captured by television cameras. lady gaga is expected to perform for the president's staffers on tuesday. ♪ i'm on the edge, the edge >> that's going to be some party, huh? >> it sure will be. >>> and coming up, all eyes will be on michelle obama and the girls. what will they be wearing? >> we want to see this. >>> also this for you, a special inauguration day "play of the day." go nowhere. ♪ [ male announcer ] to hold a patent that has changed the modern world... would define you as an innovator. to hold more than one patent of this caliber... would define you as a true leader. ♪ to hold over 80,000... well, that would make you... the creators of the 2013 mercedes-benz e-class... quite possibly the most advanced luxury sedan ever. see your authorized mercedes-benz dealer for exceptional offers through mercedes-benz financial services. two. three. my credit card rewards are easy to remember with the bankamericard cash r